Home / 8,400.36-12,601.11-3,135.27

Finding the Fourth Proportional to 8,400.36, 12,601.11 and 3,135.27

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Solution

The fourth proportional to 8,400.36, 12,601.11 and 3,135.27 is: 4,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.36 : 12,601.11 = 3,135.27 : x
  2. Step 2: Convert to fraction form
    8,400.36/12,601.11 = 3,135.27/x
  3. Step 3: Cross multiply
    8,400.36x = 12,601.11 × 3,135.27
  4. Step 4: Simplify right side
    8,400.36x = 39,507,865.96
  5. Step 5: Solve for x
    x = 39,507,865.96/8,400.36
  6. Step 6: Final answer
    x = 4,703.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.